Manish, a hairdresser, applied too much peroxide to Meagan's hair when he was colouring it, causing it to break off at the roots. Manish will be held to the standard of care of the reasonable hairdresser.

Peroxide

A compound containing two oxygen atoms bonded together in its molecule or as the anion O2^2-. Commonly used as a bleaching agent and antiseptic.

Break Off

To discontinue or end abruptly a relationship, negotiation, or engagement of some sort.

Hairdresser

A professional who specializes in cutting, styling, and treating hair.